Key components attribute

In OXML schema, key elements can be defined consisting of 0 or more key components, which are described via the keyComponents attribute. Zero or more key components separated by comma can be defined for a key.

oxs : keyComponents =" key_comp1 [, key_compN ]"

Each order key component consists of an attribute name defined in the structure or one of its base structures and several optional attributes:

attr_name ( ignoreCase , descending )